GRE Text Completion: Manhatton-GRE填空Manhatton - 3M6252E3KNNV156S=

Two months after the first shots of the American Revolution were fired, the British offered a pardon to any rebels willing to lay down arms, excepting only Samuel Adams and John Hancock, whose offenses the commanding British officer considered too ____________ to forgive. A. effectual B. fruitful C. flagitious D. boorish E. heinous F. martial